Increase in human bird flu cases in China shows risk of rapidly changing varieties: experts

A man provides water for chickens inside a greenhouse on a farm in Heihe, Heilongjiang Province, China November 17, 2019. REUTERS / Stringer BEIJING, October 26 (Reuters) – A jump in the number of people in China infected with bird flu this year raises concerns among experts who say a former circulating tribe appears to … Read more